Home / 144,303.35-199,135.17-80,653.45

Finding the Fourth Proportional to 144,303.35, 199,135.17 and 80,653.45

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Solution

The fourth proportional to 144,303.35, 199,135.17 and 80,653.45 is: 111,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,303.35 : 199,135.17 = 80,653.45 : x
  2. Step 2: Convert to fraction form
    144,303.35/199,135.17 = 80,653.45/x
  3. Step 3: Cross multiply
    144,303.35x = 199,135.17 × 80,653.45
  4. Step 4: Simplify right side
    144,303.35x = 16,060,937,077.89
  5. Step 5: Solve for x
    x = 16,060,937,077.89/144,303.35
  6. Step 6: Final answer
    x = 111,299.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.